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The piston of the hydraulic cylinder gives pin A a constant velocity v = 2.0 ft/sec in the direction shown for an interval of its motion. For the instant when 0 = 60°, determine , ï, 0, and where r = OA. Answers: r = 7 = = || A- 0 = tel i tel tel tel 5.7" Ł ft/sec ft/sec² rad/sec rad/sec²
The slotted arm OA forces the small pin to move in the fixed spiral guide defined by r = KO where is measured in radians and the constant K = 2.5 m. Arm OA starts from rest at 0 = 56° and has a constant counterclockwise angular acceleration >= 2.2 rad/s². Determine the magnitude a of the acceleration of the pin P when 0= 136° Answer: a = i m/s²
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